From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764740AbXGLUkS (ORCPT ); Thu, 12 Jul 2007 16:40:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932644AbXGLUjR (ORCPT ); Thu, 12 Jul 2007 16:39:17 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:36654 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1760200AbXGLUjQ (ORCPT ); Thu, 12 Jul 2007 16:39:16 -0400 Date: Thu, 12 Jul 2007 11:17:14 +0200 From: Pavel Machek To: Matthew Garrett Cc: "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, Alan Stern Subject: Re: sysrq-t dumps of s2ram/fuse deadlock (was Re: [PATCH] Remove process freezer from suspend to RAM pathway) Message-ID: <20070712091714.GD1866@elf.ucw.cz> References: <20070703042916.GA17240@srcf.ucam.org> <200707031456.36027.rjw@sisk.pl> <20070709132905.GA5212@ucw.cz> <20070711132819.GA5753@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070711132819.GA5753@srcf.ucam.org> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed 2007-07-11 14:28:20, Matthew Garrett wrote: > On Mon, Jul 09, 2007 at 01:29:05PM +0000, Pavel Machek wrote: > > Hi! > > > > Can we get them? They are neccessary for debugging 'what in suspend > > calls fuse' problem. And yes, that problem is there even when you > > remove freezer. > > I can produce them, but haven't managed to do that in any way that lets > me get them off the system yet. > > > Matthew, you seem to be the only one able to produce them... > > sys_sync may not do anything on a fuse filesystem, but if you've > loopback-mounted an ext3 filesystem from that fuse filesystem then it's > going to result in writes to it and deadlock. Aha, yes, that explains the problem. Thanks! Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html